Shoe upper



FIG. 1 is a front perspective view of a shoe upper showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a rear perspective view thereof; and,

FIG. 4 is a rear view thereof.

The broken line immediately adjacent to the bottom of the shaded area represents an unclaimed boundaries of the design. The broken lines showing the remainder of the shoe represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 